Finding the Fourth Proportional to 170,612,723.84, 235,458,191.20 and 97,275,712.64
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Solution
The fourth proportional to 170,612,723.84, 235,458,191.20 and 97,275,712.64 is: 134,247,685.81
Step by Step Solution
- Step 1: Write the proportion equation
170,612,723.84 : 235,458,191.20 = 97,275,712.64 : x - Step 2: Convert to fraction form
170,612,723.84/235,458,191.20 = 97,275,712.64/x - Step 3: Cross multiply
170,612,723.84x = 235,458,191.20 × 97,275,712.64 - Step 4: Simplify right side
170,612,723.84x = 22,904,363,345,905,376 - Step 5: Solve for x
x = 22,904,363,345,905,376/170,612,723.84 - Step 6: Final answer
x = 134,247,685.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.